Hand spa



FIG. 1 is a front elevational view of the hand spa showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of the cord is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for the hand spa, as shown and described. 